參數(shù)資料
型號: HT47C20L
廠商: Holtek Semiconductor Inc.
元件分類: 數(shù)學處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 49/55頁
文件大?。?/td> 341K
代理商: HT47C20L
SBC A,[m]
Subtract data memory and carry from accumulator
Description
The contents of the specified data memory and the complement of the
carry flag are together subtracted from the accumulator, leaving the re-
sult in the accumulator.
Operation
ACC
ACC+[m]+C
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SBCM A,[m]
Subtract data memory and carry from accumulator
Description
The contents of the specified data memory and the complement of the
carry flag are together subtracted from the accumulator, leaving the re-
sult in the data memory.
Operation
[m]
ACC+[m]+C
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
c
SDZ [m]
Skip if decrement data memory is zero
Description
The contents of the specified data memory are decremented by one. If the
result is zero, the next instruction is skipped. If the result is zero, the fol-
lowing instruction, fetched during the current instruction execution, is
discarded and a dummy cycle replaced to get the proper instruction. This
makes a 2-cycle instruction. Otherwise proceed with the next instruc-
tion.
Operation
Skip if ([m] 1)=0, [m]
([m] 1)
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
HT47C20L
49
January 18, 2000
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相關代理商/技術參數(shù)
參數(shù)描述
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HT47R20A-1 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:R-F Type 8-Bit MCU